gdb/mi/mi-out.h

   1 /* MI Command Set - MI output generating routines for GDB.
   2    Copyright (C) 2000-2019 Free Software Foundation, Inc.
   3    Contributed by Cygnus Solutions (a Red Hat company).
   4
   5    This file is part of GDB.
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  19
  20 #ifndef MI_MI_OUT_H
  21 #define MI_MI_OUT_H
  22
  23 #include <vector>
  24
  25 struct ui_out;
  26 struct ui_file;
  27
  28
  29 class mi_ui_out : public ui_out
  30 {
  31 public:
  32
  33   explicit mi_ui_out (int mi_version);
  34   virtual ~mi_ui_out ();
  35
  36   /* MI-specific */
  37   void rewind ();
  38   void put (struct ui_file *stream);
  39
  40   /* Return the version number of the current MI.  */
  41   int version ();
  42
  43 protected:
  44
  45   virtual void do_table_begin (int nbrofcols, int nr_rows, const char *tblid)
  46     override;
  47   virtual void do_table_body () override;
  48   virtual void do_table_header (int width, ui_align align,
  49                              const std::string &col_name,
  50                              const std::string &col_hdr) override;
  51   virtual void do_table_end () override;
  52
  53   virtual void do_begin (ui_out_type type, const char *id) override;
  54   virtual void do_end (ui_out_type type) override;
  55   virtual void do_field_int (int fldno, int width, ui_align align,
  56                           const char *fldname, int value) override;
  57   virtual void do_field_skip (int fldno, int width, ui_align align,
  58                            const char *fldname) override;
  59   virtual void do_field_string (int fldno, int width, ui_align align,
  60                                 const char *fldname, const char *string,
  61                                 ui_out_style_kind style) override;
  62   virtual void do_field_fmt (int fldno, int width, ui_align align,
  63                           const char *fldname, const char *format, va_list args)
  64     override ATTRIBUTE_PRINTF (6,0);
  65   virtual void do_spaces (int numspaces) override;
  66   virtual void do_text (const char *string) override;
  67   virtual void do_message (const char *format, va_list args) override
  68     ATTRIBUTE_PRINTF (2,0);
  69   virtual void do_wrap_hint (const char *identstring) override;
  70   virtual void do_flush () override;
  71   virtual void do_redirect (struct ui_file *outstream) override;
  72
  73   virtual bool do_is_mi_like_p () const override
  74   { return true; }
  75
  76 private:
  77
  78   void field_separator ();
  79   void open (const char *name, ui_out_type type);
  80   void close (ui_out_type type);
  81
  82   /* Convenience method that returns the MI out's string stream cast
  83      to its appropriate type.  Assumes/asserts that output was not
  84      redirected.  */
  85   string_file *main_stream ();
  86
  87   bool m_suppress_field_separator;
  88   bool m_suppress_output;
  89   int m_mi_version;
  90   std::vector<ui_file *> m_streams;
  91 };
  92
  93 /* Create an MI ui-out object with MI version MI_VERSION, which should be equal
  94    to one of the INTERP_MI* constants (see interps.h).
  95
  96    Return nullptr if an invalid version is provided.  */
  97 mi_ui_out *mi_out_new (const char *mi_version);
  98
  99 int mi_version (ui_out *uiout);
 100 void mi_out_put (ui_out *uiout, struct ui_file *stream);
 101 void mi_out_rewind (ui_out *uiout);
 102
 103 #endif /* MI_MI_OUT_H */